You are on rollerblades on top of a small hill. your potential energy is equal to 1000 joules. the last time you checked your mass was 60 kg. what is your weight in newtons? what is the height of the hill? what will you be used to be at the bottom of the hill?

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

In what direction does an applied force move an object